OPENSUSE-SU-2026:21653-1

Vulnerability from csaf_opensuse - Published: 2026-08-25 18:20 - Updated: 2026-09-17 17:42
Summary
Security update for v2ray-core
Severity
Important
Notes
Title of the patch: Security update for v2ray-core
Description of the patch: This update for v2ray-core fixes the following issues: Changes in v2ray-core: - Update version to 5.53.0 * Add X-Forwarded-For support to gRPC transport * Add Stream based Packet Addr for UDP Connections * rrpit: compact session, async send, session recovery * Add socks5ify engineering command * Fix bugs * Update modules (boo#1276119 and CVE-2026-72817, CVE-2026-72815, CVE-2026-72816) - Update version to 5.51.2 * Wireguard Add TCP Listener support for wireguard outbound * Stun Nat Type Testing * Better server failure detection and PreserveSourceIPPortWhenDestNATMapping detection * Improve API instance support * feat: grpc: allow configurable keepalive and initial windows size * Add RRPIT - Rapid Reliable Packet Interactive Transport * Add WebRTC Tunnel Support in V2Ray(unreleased) * also parse X-Forwarded-For in httpupgrade * gdocsviewer: Add Google Docs Viewer based transport * gdocsviewer: Refine poll logic and allow custom headers to reduce rate limiting * gdocsviewer: allow adding headers in public config * Fix bugs (boo#1258546 and CVE-2026-27017) - update golang.org/x/net to 0.55.0 to fix boo#1266787 and CVE-2026-39821
Patchnames: openSUSE-Leap-16.0-packagehub-526
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-27017
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Leap 16.0:golang-github-v2fly-v2ray-core-0:5.53.0-bp160.1.1.noarch —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:v2ray-core-0:5.53.0-bp160.1.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:v2ray-core-0:5.53.0-bp160.1.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:v2ray-core-0:5.53.0-bp160.1.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:v2ray-core-0:5.53.0-bp160.1.1.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2026-39821
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Recommended 5 products, the same list as for CVE-2026-27017
Threats
Impact important
CVE-2026-72815
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
Recommended 5 products, the same list as for CVE-2026-27017
Threats
Impact moderate
CVE-2026-72816
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
Recommended 5 products, the same list as for CVE-2026-27017
Threats
Impact moderate
CVE-2026-72817
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
Recommended 5 products, the same list as for CVE-2026-27017
Threats
Impact moderate
References
To clipboard 

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          "text": "uTLS is a fork of crypto/tls, created to customize ClientHello for fingerprinting resistance while still using it for the handshake. Versions 1.6.0 through 1.8.0 contain a fingerprint mismatch with Chrome when using GREASE ECH, related to cipher suite selection. When Chrome selects the preferred cipher suite in the outer ClientHello and for ECH, it does so consistently based on hardware support-for example, if it prefers AES for the outer cipher suite, it also uses AES for ECH. However, the Chrome parrot in uTLS hardcodes AES preference for outer cipher suites but selects the ECH cipher suite randomly between AES and ChaCha20. This creates a 50% chance of selecting ChaCha20 for ECH while using AES for the outer cipher suite, a combination impossible in Chrome. This issue only affects GREASE ECH; in real ECH, Chrome selects the first valid cipher suite when AES is preferred, which uTLS handles correctly. This issue has been fixed in version 1.8.1.",
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          "text": "go-chi chi versions \u003e= 5.2.1 and before 5.3.0 contain an IP spoofing vulnerability in the RealIP middleware, which blindly trusts the first (leftmost) value of the X-Forwarded-For HTTP header. A remote attacker can bypass IP-based access control lists and rate-limiting mechanisms, and forge log entries, by supplying a spoofed IP address in the X-Forwarded-For header. The issue is fixed in version 5.3.0.",
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          "category": "general",
          "text": "go-chi/chi through 5.2.1 contains an IP spoofing vulnerability in the RealIP middleware (middleware/realip.go). The realIP() function reads client-controlled headers (True-Client-IP, X-Real-IP, and X-Forwarded-For) and overwrites r.RemoteAddr without verifying that the request originated from a trusted proxy. Attackers can supply arbitrary IP addresses in these headers to bypass IP-based access controls, evade rate limiting and geo-IP restrictions, and pollute audit logs. Fixed in 5.3.0.",
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          "text": "go-chi/chi versions 0.9.0 before 5.3.0 contains an IP spoofing vulnerability in the RealIP middleware, which resolves the request source IP (Request.RemoteAddr) using the first IP in the X-Forwarded-For header without validating trusted proxies. A malicious client can prepend a forged IP as the first value of the X-Forwarded-For header to spoof the request source IP, potentially bypassing access controls or falsifying request logs.",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.